Quarterly report pursuant to Section 13 or 15(d)

Debt and Credit Arrangements (Details Textual)

v2.4.0.8
Debt and Credit Arrangements (Details Textual)
9 Months Ended
Sep. 30, 2014
USD ($)
Sep. 30, 2014
Revolving credit facility [Member]
USD ($)
Sep. 30, 2014
Term loan [Member]
USD ($)
Sep. 30, 2014
Term loan [Member]
Interest at LIBOR plus [Member]
USD ($)
Sep. 30, 2014
Term loan [Member]
Interest at Cost of Funds Plus [Member]
CAD
Debt and Credit Arrangements (Textual) [Abstract]          
Revolving credit facility with Wells Fargo Bank $ 75,000,000 $ 25,000,000 $ 50,000,000    
Borrowing amount under credit facility   25,000,000      
Principal amount of debt       50,000,000 2,900,000
Basis spread interest rate       1.75% 2.50%
Maturity date of debt instrument       Sep. 30, 2018 Sep. 15, 2014
Periodic principal amount 2,500,000       16,000
Final payment, collateralized by a first lien on land and building         404,000
Term Loan expiration period     5 years